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  1. 3

    Normal or “acceptable” leak down for FX Impact

    Solved: Had to submerge the gun (with everything I could removed) and after 30 minutes a bubble did form at the edge of the high pressure gauge right where the glass crystal and the chrome housing meet. Given the position of this leak, it is no wonder that it was not caught by any previous...
  2. 3

    Normal or “acceptable” leak down for FX Impact

    Thanks for the replies. I have watched all the videos mentioned. (That is how I got familiar enough with the disassembly to start doing it myself.) The reason I replace all the o-rings is because if I am going to take the whole gun down there is no good reason to leave a year old (or older)...
  3. 3

    Normal or “acceptable” leak down for FX Impact

    I’ve owned a .25 cal Impact since 2015. I have become very familiar with pcp airguns and how to maintain them. This particular example seems to need all orings replaced about yearly. I am not running abnormally high reg preasures (143.4 bar seems to be the sweet spot for this particular gun when...